Collapsible stroller



FIG. 1 is a right front perspective view of a collapsible stroller in an open position in accordance with the present invention;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a front side perspective view thereof in a collapsed position. 

The ornamental design for a collapsible stroller, as shown and described. 